Intel Core i7-5820K vs Intel Core i7-6950X

Compare Intel Core X-series 6 core CPU vs Intel Core X-series 10 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 429.95
$ 328.45 significantly less expensive
$ 758.40

Benchmark Score

Overall Score

A combined score of all workloads

4081 points
5504 points
34% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5494 points
6279 points
14% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

3634 points
5261 points
44% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

3527 points
5214 points
47% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-5820K and the Core i7-6950X? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

3543 points
6073 points
71% significantly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

95.66 points
185.36 points
93% significantly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

5383 points
7553 points
40% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1134 points
1192 points
5% slightly higher Geekbench 5 (single) score
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

5467 points
8892 points
62% significantly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1180 points
1370 points
16% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

6
10
66% significantly more cores

Threads

Number of logical processing units

12
20
66% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.3 GHz
10% slightly higher clock speed
3 GHz

Turbo Speed

Higher frequency used for heavy workloads

3.6 GHz
2% slightly higher turbo speed
3.5 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

140 W
Identical
140 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

28
40
42% many more pcie lanes

Memory Channels

Lanes for simultaneous memory access

4
Identical
4

Supported Memory

Maximum amount of RAM supported by this CPU

64 GiB
128 GiB
100% significantly more supported memory

Other details

Rank

Ranking in the hardwareDB database

436th of 1,102
302nd of 1,102

Family

The product line

Core X-series
Core X-series

Release date

The official date of release of this chip

2014 August
2016 May

Memory Type

The type of memory used by this chip

DDR4-1600
DDR4-2400

Is Unlocked

Can this CPU can be overclocked

-
No

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-5820K vs Core i7-6950X benchmarks

Our benchmark analysis concludes that the Core i7-6950X performs better than the Core i7-5820K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-5820K in all gaming tests too.

With info from our database, we find that the Core i7-6950X has significantly more cores with 10 cores whereas the Core i7-5820K has 6 cores. It also has more threads than the Core i7-5820K. Our comparison shows that the Core i7-5820K has a slightly higher clock speed compared to the Core i7-6950X. Also, the Core i7-5820K has a slightly higher turbo speed. Both these chips have an identical TDP (Thermal Design Power). This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i7-5820K has more threads than cores. Each physical core is split into multiple threads.

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